"From its humble origins in the 'hacker' culture of US computer science laboratories in the 1970s, open source software has grown to become arguably the most influential and talked about phenomenon to hit the computer industry since the invention of the microprocessor. Many of the proponents of OSS seem to have been captivated by the idea of a free lunch and may have failed to consider the longer-term effect of OSS on our fragile software ecosystem. Let us examine some of the issues surrounding OSS that aren't normally aired in public."